Home / 1,454,102.20-2,181,153.30-656,940.70

Finding the Fourth Proportional to 1,454,102.20, 2,181,153.30 and 656,940.70

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Solution

The fourth proportional to 1,454,102.20, 2,181,153.30 and 656,940.70 is: 985,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,102.20 : 2,181,153.30 = 656,940.70 : x
  2. Step 2: Convert to fraction form
    1,454,102.20/2,181,153.30 = 656,940.70/x
  3. Step 3: Cross multiply
    1,454,102.20x = 2,181,153.30 × 656,940.70
  4. Step 4: Simplify right side
    1,454,102.20x = 1,432,888,375,709.31
  5. Step 5: Solve for x
    x = 1,432,888,375,709.31/1,454,102.20
  6. Step 6: Final answer
    x = 985,411.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.